Global Regulatory Update, April 11-17, 2021

EASA has issued airworthiness directive 2021-0098 for Pilatus PC-6s, requiring inspection and modification of aileron, elevator and rudder hinge bolt installations, effective April 23, 2021.

EASA has issued proposed airworthiness directive 21-052 for Airbus A350-1041s and -941s, requiring inspection of main landing gear support structure fuse pins, effective 14 days after airworthiness directive is issued.

EASA has issued proposed airworthiness directive 21-053 for Air France Airbus A330-202s, -203s, and A340-313s and Boeing 777s, requiring inspection and restricting operations of removable display unit and display docking station attachment interface, effective 14 days after airworthiness directive is issued.

FAA has issued airworthiness directive 2021-04-11 for certain Airbus A350-941s, requiring installing flight control and guidance system software X11 Standard, modifying the electrical power supply of the air generation system ram air outlet door actuators, effective May 11, 2021.

FAA has issued airworthiness directive 2021-06-07 for certain Airbus A330-200 series and -300s, requiring repetitive detailed inspections of the courier area oxygen system and replacement of cracked parts if necessary, effective April 20, 2021.

FAA has issued airworthiness directive 2021-06-09 for all Fokker F28 Mark 0070s and 0100s, requiring revising the existing airplane flight manual to update the cabin pressurization control fault procedure, effective April 20, 2021.

FAA has issued airworthiness directive 2021-07-01 all Airbus A320 family airplanes, requiring replacing each nose landing gear main fitting affected by failure to remove oil before heat treatment with a serviceable part, effective May 10, 2021.

FAA has issued airworthiness directive 2021-07-02 for certain Boeing 737-200s, requiring replacement of pitot anti-icing system components, installation of a junction box and wiring provisions, repetitive testing of the anti-icing system, and applicable on-condition actions, effective April 20, 2021.

FAA has issued airworthiness directive 2021-07-03 for certain Bombardier CRJ 100s 440s, requiring revising the existing maintenance or inspection program and incorporating structural repairs and modifications to preclude widespread fatigue damage, effective May 10, 2021.

FAA has issued airworthiness directive 2021-07-04 for all ATR42s and 72s, which requires revising the existing aircraft flight manual and applicable corresponding operational procedures to provide emergency procedures and limitations for operating in severe icing conditions, effective May 10, 2021.

FAA has issued airworthiness directive 2021-07-09 for certain Boeing 747-100s, -100Bs, -100B SUDs, -200Bs, -200Cs, -200Fs, -300s, -400s, -400Ds, -400Fs, SRs and SPs, requiring repetitive tests to detect hot air leaking from the trim air diffuser ducts or sidewall riser duct assemblies, collectively referred to as TADDs, plus repetitive inspections of all TADD material for damage and applicable on condition actions, effective May 12, 2021.

FAA has issued airworthiness directive 2021-07-10 for certain MHI RJ Aviation CRJ 700s, 701s, 702s, 550s and 900s, requiring inspection for the presence of wing anti-ice system piccolo ducts without bleed holes that conform to specifications and corrective actions, or replacement of these piccolo ducts with new piccolo ducts, effective May 12, 2021.

FAA has issued airworthiness directive 2021-07-11 for certain Rolls-Royce Deutschland Trent 1000-A2s-AE2s, -C2s, -CE2s, -D2s, -E2s, -G2s, -H2s, -J2s, -K2s and -L2s, requiring repetitive inspection of low-pressure turbine seal fins and, depending on the results, replacement of the turbine disk before further flight, effective May 11, 2021.

FAA has issued airworthiness directive 2021-07-14 for all Yaborã Industria Aeronáutica EMB-135s and -145s, requiring a general visual inspection of the right and left main landing gear to verify certain conditions and doing all applicable on-condition actions, effective April 20, 2021.

FAA has issued airworthiness directive 2021-08-09 for all Airbus A330-323s, -342s and -343s, requiring revising the existing airplane flight manual and applicable corresponding operational procedures, effective April 23, 2021.